package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * @Author: wzw
 * @CreateTime: 2025-09-30  00:12
 **/

@Slf4j
@RestController
@Api(tags = "菜品相关接口")
@RequestMapping("/admin/dish")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品和口味")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}", dishDTO);
        dishService.saveDishAndFlavor(dishDTO);
        deleteCache("dish_"+dishDTO.getCategoryId());
        return Result.success();
    }

    /**
     * @description: 菜品分页查询
     * @author: wzw
     * @date: 2025/9/30 0030 0:57
     * @param:
     * @return:
     **/
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("分页查询：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }
    /**
     * @description:批量删除菜品
     * @author: wzw
     * @date: 2025/10/3 0003 15:16
     * @param:
     * @return:
     * @description: 使用mvc框架中@RequestParam("ids")注解 自动将前端传递的ids字符串转换成List<Long>
     **/
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam("ids") List<Long> ids){
        log.info("批量删除菜品：{}", ids);
        dishService.delete(ids);
        // 删除缓存数据
//        ids.forEach(id -> redisTemplate.delete("dish_" + id));
        deleteCache("dish_*");
        return Result.success();

    }

    /**
     * @description:根据id查询菜品和口味
     * @author: wzw
     * @date: 2025/10/3 0003 15:56
     * @param:
     * @return:
     **/
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品和口味")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品和口味：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * @description: 修改菜品
     * @author: wzw
     * @date: 2025/10/3 0003 17:02
     * @param:
     * @return:
     **/
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}", dishDTO);
        dishService.update(dishDTO);
//        如果员工修改某个菜品的分类，则会影响到两个分类的缓存数据，所以要删除所有分类缓存数据
        deleteCache("dish_*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * @description: 菜品起售、停售
     * @author: wzw
     * @date: 2025/10/4 0004 22:12
     * @param:
     * @return:
     **/
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售、停售")
    public Result startOrStop(@PathVariable Integer status, Long id){
        log.info("菜品起售、停售：{}", id);
        dishService.startOrStop(status, id);
        deleteCache("dish_*");
        return Result.success();
    }

    //删除全部菜品缓存
    private void deleteCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
